A recent study of ancient DNA has found that the Bell Beaker culture in Europe comprised two genetically distinct populations, challenging previous assumptions about their spread. The research also revealed a significant genetic shift, introducing variants for paler skin and lighter-colored eyes, as well as genes for digesting lactose.
The Rosalind Franklin Institute is investing £1.55m in a unique electron microscope that will allow researchers to visualize structures at near atomic scale in time and space. This technology will enable the development of new treatments for diseases such as cancer, malaria, and Alzheimer's.
A genomic study reveals that the Beaker culture spread throughout Europe through cultural diffusion, replacing around 90% of populations in areas like Great Britain. The study shows no evidence of large-scale genetic migration from Iberia to Central and Western Europe.
The project aims to convert waste heat into cooled water, offering potential cost and energy savings to U.S. manufacturers. The innovative turbo-compression cooling system has numerous large-scale practical applications, including dairy producers transforming waste heat into chilled milk.
A new model based on ground-running birds can predict the locomotion of bipedal dinosaurs by analyzing their speed and body size. The BIRDS Model uses just two inputs to estimate stride length and force exerted per step, providing insights into extinct theropod dinosaur movement.
Scientists discovered that the anterior region of the alga is more sensitive to calcium ions than the posterior end, allowing for fine-tuned light-responsive motility. This finding advances our understanding of how multicellular organisms evolved to overcome single-celled limitations in photosynthesis.
A new theory proposes that underground adaptations, such as efficient roots and reduced reliance on fungi, enabled plants to thrive in diverse environments. This finding has significant implications for conservation and understanding plant evolution.
Researchers found that sea urchins sculpt medium-grain sandstone rock 37 times quicker than granite, with excavation rates varying greatly by rock type. The study estimated that on medium-grain sandstone reefs, sea urchins might produce almost 200 tonnes of sediment per hectare per year.
Warmer, drier conditions led to a 25-year decline in Northern rock jasmine populations, ultimately causing local extinction. The study highlights the challenge of developing management policies for threatened populations.
Researchers at FAU have deciphered what causes life-threatening inflammation of the intestines after a stem cell transplant, identifying a protein named BATF as a central switch in donor T-lymphocytes. The discovery may lead to new therapies to influence inflammation and increase patients' chances of survival.
A new study suggests that women in eating disorder treatment need more informative and personalized reproductive health advice, rather than vague warnings. The research found that participants felt fertility information was delivered as 'blackmail' or 'scaremongering', leading to feelings of self-blame and low motivation for recovery.
An amateur astronomer in Argentina captured the rare first optical light from a massive exploding star, providing valuable insights into the supernova explosion and the star's physical structure. The discovery was made using a new camera and allowed scientists to determine the type of star that exploded and the nature of the explosion.
Researchers at the University of Turku studied Asian elephant personalities in a semi-captive population in Myanmar and identified three key factors: Attentiveness, Sociability and Aggressiveness. The study provides insight into how personality develops in long-lived, social species and can inform conservation efforts.
Researchers found that increased tissue stiffness leads to tumor aggressiveness and drug resistance in breast cancer cells. The study suggests that developing drugs that can prevent stiffness may stop the spread of cancer.
Researchers at UCR discovered that tropical trees in the Amazon Rainforest have developed an unusual way to conserve and redistribute water during drought, using a layer of living cells around their xylem. This unique method may alleviate concerns about the impact of drought on these critical climate regulators.
The University of California - Santa Barbara team designed a new spiral inductor made of multiple layers of graphene, which offers one-and-a-half times the inductance density of traditional inductors. This innovative design enables a one-third reduction in size while maintaining high efficiency.
Researchers found that two red wine polyphenols, caffeic acid and p-coumaric acid, effectively cut back on the ability of oral pathogenic bacteria to stick to cells. When combined with an oral probiotic, the polyphenols were even more effective in fending off these bacteria.
State-level laws banning hand-held cellphone calls significantly reduced teen drivers' conversations while driving (55% decrease), whereas texting bans were ineffective. Universal hand-held phone bans outperformed limited young driver bans in reducing both types of behavior.
A new study identifies novel molecular biomarkers of preeclampsia, which may be used to develop an early diagnostic blood test. The findings suggest that small non-coding RNAs in a pregnant woman's blood can predict the risk of developing preeclampsia.
A meta-analysis of 522 trials confirms that antidepressants are more effective than placebo for short-term treatment of acute depression in adults. The study found varying effectiveness among different antidepressants, with some proving more tolerable.
A new drug, larotrectinib, has been shown to be effective in treating cancers with specific genetic mutations. The study found that 75% of patients with TRK fusion-positive cancers responded to the treatment, with 13% achieving a complete response.
A recent study suggests that college-age football linemen may be at higher risk for sleep-disordered breathing due to their physical conditioning. The study compared data from football linemen and track athletes, finding that the linemen had significantly larger necks and increased risk for sleep apnea despite having less body fat.
Researchers discovered that a subset of myeloproliferative neoplasms (MPNs) are susceptible to treatment with immune checkpoint inhibitors targeting the PD-1/PD-L1 pathway. MPNs hijack this pathway to prevent T cells from attacking malignant cells, but mutant JAK2 activation can expose a therapeutic vulnerability.
Research reveals a significant relationship between the Silk Road Pattern and Eurasian climate anomalies, particularly in strong north-jet years. Stronger-than-usual Rossby wave source anomalies contribute to this link, suggesting more attention be given to these years.
A Salk Institute study has identified distinct molecular profiles in V2a neurons that control arm and leg movements, shedding light on neural regulation of motor control. The findings could lead to personalized stem-cell-based treatments for repairing spinal cord injuries.
Severe sleep-disordered breathing is linked with increased arterial stiffness in heart failure patients. Treating obstructive sleep apnea and other breathing abnormalities, such as CPAP devices, may lead to improved prognosis by reducing arterial stiffness.
Researchers used spectroscopic measurements to confirm S0-2 has no significant companion, simplifying the upcoming gravity test. The discovery sheds light on the formation of young stars near the supermassive black hole at the center of the Milky Way galaxy.
Research reveals that systematic education tools can significantly improve understanding and willingness to address marine litter. Educators and students who participated in an online project showed high intentions of implementing changes and reported increased concern about the issue.
Researchers found that cranial modifications in the ancient Andes were associated with group identity and increased social inequality. The practice, which involved binding and reshaping a baby's head, became more common between 1100-1450 AD, particularly among elite groups.
Researchers discovered that cyanobacteria, crucial to ocean life, can change color to adapt to different light conditions. This ability allows them to photosynthesize and thrive in various parts of the world's oceans.
A novel process produces cell-sized lipid vesicles that can be functionalized to interact with cells, inducing specific cellular responses. The technology has high therapeutic potential for treating Type 2 diabetes.
The European Lead Factory uses microscale thermophoresis to prioritize small molecule hits from high-throughput screening, improving the efficiency of drug discovery. This technology measures biomolecule movement through temperature gradients and avoids spurious mechanisms that can lead to costly failures.
A new study published in Mayo Clinic Proceedings found that up to 37 percent of studies on clinical trials show grossly exaggerated early results. The researchers emphasized the need for physicians and patients to be cautious when considering new or early trial evidence, as it may not accurately reflect real-world outcomes.
A University of Texas at Dallas psychologist found that children aged 4.5-9 years prefer chocolate over goldfish crackers in response to both happiness and sadness. The study suggests that emotional eating habits develop during the preschool period, influenced by social environment and parental feeding practices.
Researchers used fruit fly hybrids to discover the proteome's plasticity during development, which may provide insights into rapid phenotypic variation and disease mechanisms. The study also sheds light on how proteins interact with each other and how the proteostasis network coordinates protein synthesis, folding, and degradation.
Researchers propose a practical approach to understanding interplay between social and ecological spheres using causal chains. Causal chains can help break cycles of degradation and promote sustainable development goals.
A randomized trial of PHAT Life, a role-playing intervention, found that teens on probation reported a reduction in number of sexual partners and an increase in consistent condom use. The program showed promise in reducing sexual risk-taking among high-risk youth.
Researchers found that Zika virus infection causes death of glioblastoma cells, a common and aggressive type of brain tumor. The study suggests that genetically modifying Zika virus to produce the digoxin molecule could be an alternative treatment for glioblastoma.
Researchers found that the northern Galápagos Islands have been warming by almost 0.4 degrees F per decade, with temperatures increasing overall by about 1.1 degrees F since the 1970s. This finding is significant because it suggests that the region's reefs are more vulnerable to climate change than previously thought.
Researchers propose that cave art may have played a role in the development of human language, citing acoustic properties and visual representations. The study suggests that early humans used sound echoes to convey symbolic thinking, which eventually led to the creation of language.
Researchers found that mature cells in different organs activate the same genes and undergo similar processes when dividing again, leading to potential new targets for cancer treatment. This discovery could support using universal strategies to treat or prevent cancer in various organs.
The Russian National Technological Initiative aims to intensify heat transfer using nanomodified composite materials and nanostructures, aiming to remove high-density heat fluxes at low temperature differences.
A total of 1.8 million young people between ten and 24 years old are estimated to develop tuberculosis (TB) annually, with 20-24-year-olds at the greatest risk. Young adults with TB may face disruptions in education, employment, or family responsibilities due to their illness.
The Clinical Epidemiology Database aims to facilitate collaboration among researchers by providing a standardized platform for accessing and exploring complex clinical data. The database, launched by the University of Pennsylvania, introduces an intuitive interface and provides documentation of study design and background.
Researchers identified elevated tissue iron as a critical factor in fungal infection risks for lung transplant recipients. Elevated iron levels prompted Aspergillus invasion into transplanted tissue, suggesting a potential new approach to curb these life-threatening infections.
A team of researchers developed a soft robot that uses kirigami to achieve locomotion, gripping the ground like snakeskin. The robot's surface transforms into a textured surface as it stretches, allowing it to crawl without rigid components.
Researchers used fMRI to study brain activity while watching Memento, finding repeating patterns in the brain that correspond to key scenes. These 'neural fingerprints' help viewers piece together the storyline, revealing insights into how the brain processes narratives and memory.
Researchers discovered that glial cells increase the acidity of the extracellular environment when exposed to ATP, leading to a massive release of acid. This triggers a feedback loop that prevents over-excitability of neurons by inhibiting neurotransmitter release.
Dr Gisela Kopp, a biologist at the University of Konstanz's Max Planck Institute, will receive a five-year fellowship to explore unusual research questions and new avenues of thought. The award aims to support early career researchers from MINT disciplines with innovative and interdisciplinary approaches.
A study published in PNAS found that a protein called neuregulin 3 suppresses the release of glutamate, a neurotransmitter essential for learning, in people with schizophrenia. The researchers used genetic and biochemical techniques to investigate how neuregulin 3 controls neurotransmitters in the brain.
Research by Candice Odgers highlights both positive and negative uses of smartphones among teens. While moderate usage is linked to no negative impact on mental well-being, increased screen time among low-income teens correlates with more physical fights, arguments, and school troubles.
Researchers used historic and modern plant genomes to measure the rate of evolution in a wild plant. They found that Arabidopsis had been introduced to North America by Europeans around 1600, with new mutations appearing over the past 400 years. These findings provide insights into the genetic paradox of invasion.
The NIH has released datasets for rheumatoid arthritis and systemic lupus erythematosus disease tissue, providing clues about potential research targets. Researchers can access the data to explore new approaches to understanding autoimmunity and developing medicines.
A UTSW study found that inhibiting glucagon action has potent anti-diabetic effects, reducing negative fat tissue impacts and improving cardiac function. The research may advance understanding of diabetes drugs' benefits for heart health.
Researchers have discovered how Xanthomonas bacteria manipulate nutrient supply and hormonal balance in plants. The study found that a specific protein, XopH, targets phosphorus supplies inside plant cells, weakening plant defences and allowing bacteria to multiply.
A new study on attacker motives identifies successful phishing strategies, including authoritative tone and shared interest, which can be used to develop detection tools. The study also found that incentives, such as quicker and larger rewards, motivate attackers to apply more effort in constructing persuasive emails.
Scientists at Whitehead Institute have developed a modified CRISPR/Cas9 system to remove methylation tags from the FMR1 gene, restoring its expression and rescuing neurons from fragile X syndrome. This approach may prove useful for other diseases caused by abnormal methylation.
The international team's roadmap outlines research directions to boost human radioresistance through gene therapy, radioprotective mechanisms, and regenerative technologies. This could extend the healthspan of spacefarers and enable safe long-term space colonization.
Scientists have developed CONTISOL, a solar reactor that can run day and night using concentrated solar power. The reactor uses air as the heat transfer medium and achieves stable temperatures round the clock.
Researchers found that a simple walking test can accurately diagnose idiopathic normal pressure hydrocephalus (iNPH) and progressive supranuclear palsy (PSP) by assessing participants' gait while performing dual tasks. The study revealed that the test improved diagnostic accuracy to 97% when combined with other assessments.